class_docstr: Tests for repulsion matrix
docstr: Test that repulsion_tensor returns the correct matrix.
docstr_tok: ["Test","that","repulsion_tensor","returns","the","correct","matrix","."]
code: def test_repulsion_tensor(self, symbols, geometry, alpha, e_ref):
      r"""Test that repulsion_tensor returns the correct matrix."""
      mol = qchem.Molecule(symbols, geometry, alpha=alpha)
      args = [mol.alpha]
      e = qchem.repulsion_tensor(mol.basis_set)(*args)
      assert np.allclose(e, e_ref)
  
imports: import pytest
  import pennylane
  from pennylane import numpy
  from pennylane import qchem
label_desc: Use image node_id 1 for calling the TestRepulsionMat obj's underlying member method code with example usage: obj.test_repulsion_tensor(symbols, geometry, alpha, e_ref) without return types